Approximately 25,000 rhinos exist in the world today, and South Africa is home to 80 percent of the world population. Most of the killing takes place in Kruger National Park, a renowned safari spot where 351 rhinos have been poached since January 2014. Poaching in Africa has risen in the past decade, reports say, because of the appetite for rhino horn in Asia.

Irene Chidinma Nwoye is a writer and former Slate intern in New York City. Follow her on Twitter.